C111123313121111121111331333133313331323221211113313221333132313331333131231211   >>    C11112331312111112111133133313331333132322121111331322133313231333133313123121   <<    C111123313121111121111331333133313331323221211113313221333132313331333131231213   >>      C111123313121111121111331333133313331323221211113313221333132313331333131231212   >>